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Blazing goIITian

Joined:	3 Sep 2007
Post:	371

5 Mar 2008 12:16:57 IST

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Valence Electrons

None

The nucleus of an atom has 5 protons and 6 neutrons. What will be the noumber of valence electrons?

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fwks_phoenix

Scorching goIITian

Joined: 8 Apr 2007

Posts: 287

5 Mar 2008 12:20:15 IST

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protons= electrons=5,which is the atomic number.

so no.of valence electrons : 3 !

Pranav Pant

Blazing goIITian

Joined: 21 Feb 2008

Posts: 340

5 Mar 2008 13:45:28 IST

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Atomic number = number of protons = 5
Hence the electronic configuration is 1s² 2s² 2p¹.
Number of valence e^- = 3.

Halo

Blazing goIITian

Joined: 18 Apr 2007

Posts: 1537

5 Mar 2008 14:56:16 IST

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NO OF PROTONS ==NO OF ELECTRONS
THEN WRITE ELECTRONIC CONFIGURATION AND U WILL GET 3 VALENCE ELECTRONS

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